Home / 4,043.40-5,578.92-3,100.14

Finding the Fourth Proportional to 4,043.40, 5,578.92 and 3,100.14

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Solution

The fourth proportional to 4,043.40, 5,578.92 and 3,100.14 is: 4,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.40 : 5,578.92 = 3,100.14 : x
  2. Step 2: Convert to fraction form
    4,043.40/5,578.92 = 3,100.14/x
  3. Step 3: Cross multiply
    4,043.40x = 5,578.92 × 3,100.14
  4. Step 4: Simplify right side
    4,043.40x = 17,295,433.05
  5. Step 5: Solve for x
    x = 17,295,433.05/4,043.40
  6. Step 6: Final answer
    x = 4,277.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.